concerned residents and city government worked to shut it down. they say the closure is a victory for people who live and work nearby. >> from this day on, the coal-powered fire plant you see here will stop blowing smoke and other pollutants into our air. from the city's perspective, the operation of the trgs facility has always been a public health and safety issue for the residents of alexandria. >> the mayor says he hopes to redevelop the site into commercial and retail space. >>> in decision 2012, election day is nearing, and more campaign signs are appearing on yards for both candidates. you may have noticed one candidate has a lot more signs out there than the other. northern virginia bureau chief jewel write carey takes a look at whether winning the sign war matters. >> reporter: it's not a very accurate way to keep score in a presidential race, but campaign yard signs definitely have their place. and get out the vote effort. in this mitt romney campaign office in arlington, keeping a well-stocked supply is one of this volunteer's duties. >